Ionic, histological and vascular factors in the reaction of the sheep's parotid to high and low mineralocorticoid status.

1. The blood capillaries from the alveolar areas of the sheep's parotid gland drain into a sinusoidal portal venous system which is in close relation to the striated intralobular ducts.2.

Leptospirosis in human pregnancy followed by death of the foetus.

An attack of leptospirosis due to serotype canicola in a pregnant woman was followed in the convalescent period by death of the foetus. Previous cases of this nature are reviewed. In certain areas where leptospirosis is known to exist among the animal population early recognition and treatment of human cases is advised, especially when they occur during pregnancy.